<br><div class="gmail_quote">On Fri, Jan 16, 2009 at 12:44 PM, YC <span dir="ltr">&lt;<a href="mailto:yinso.chen@gmail.com">yinso.chen@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br><div class="gmail_quote"><div>Thanks for verifying, Matthew.&nbsp; I did a quick test and found that the overhead is minimal.&nbsp; I also compared against `substring` as reference, and found that regular string port still has a bit of overhead above substring.&nbsp; Is the overhead due to synchronization primitives?<br>